Emit session-level WINDOW_UPDATEs less frequently.

net/http/http_network_session.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_session.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/debug/stack_trace.h"
@@ skipping 33 matching lines @@
       params.host_resolver, params.cert_verifier, params.channel_id_service,
       params.transport_security_state, params.cert_transparency_verifier,
       params.cert_policy_enforcer, params.ssl_session_cache_shard,
       params.ssl_config_service, pool_type);
 }
 
 }  // unnamed namespace
 
 namespace net {
 
+// The maximum receive window sizes for HTTP/2 sessions and streams.
+const int32 kSpdySessionMaxRecvWindowSize = 10 * 1024 * 1024;  // 10 MB
+const int32 kSpdyStreamMaxRecvWindowSize = 10 * 1024 * 1024;   // 10 MB
+
 HttpNetworkSession::Params::Params()
     : client_socket_factory(NULL),
       host_resolver(NULL),
       cert_verifier(NULL),
       cert_policy_enforcer(NULL),
       channel_id_service(NULL),
       transport_security_state(NULL),
       cert_transparency_verifier(NULL),
       proxy_service(NULL),
       ssl_config_service(NULL),
       http_auth_handler_factory(NULL),
       network_delegate(NULL),
       net_log(NULL),
       host_mapping_rules(NULL),
       ignore_certificate_errors(false),
       use_stale_while_revalidate(false),
       testing_fixed_http_port(0),
       testing_fixed_https_port(0),
       enable_tcp_fast_open_for_ssl(false),
       force_spdy_single_domain(false),
       enable_spdy_compression(true),
       enable_spdy_ping_based_connection_checking(true),
       spdy_default_protocol(kProtoUnknown),
-      spdy_stream_initial_recv_window_size(0),
+      spdy_session_max_recv_window_size(kSpdySessionMaxRecvWindowSize),
+      spdy_stream_max_recv_window_size(kSpdyStreamMaxRecvWindowSize),
       spdy_initial_max_concurrent_streams(0),
       spdy_max_concurrent_streams_limit(0),
       time_func(&base::TimeTicks::Now),
       force_spdy_over_ssl(true),
       force_spdy_always(false),
       use_alternate_protocols(false),
       alternate_protocol_probability_threshold(1),
       enable_quic(false),
       enable_quic_for_proxies(false),
       enable_quic_port_selection(true),
@@ skipping 57 matching lines @@
           params.quic_socket_receive_buffer_size,
           params.quic_connection_options),
       spdy_session_pool_(params.host_resolver,
                          params.ssl_config_service,
                          params.http_server_properties,
                          params.transport_security_state,
                          params.force_spdy_single_domain,
                          params.enable_spdy_compression,
                          params.enable_spdy_ping_based_connection_checking,
                          params.spdy_default_protocol,
-                         params.spdy_stream_initial_recv_window_size,
+                         params.spdy_session_max_recv_window_size,
+                         params.spdy_stream_max_recv_window_size,
                          params.spdy_initial_max_concurrent_streams,
                          params.spdy_max_concurrent_streams_limit,
                          params.time_func,
                          params.trusted_spdy_proxy),
       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
       http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)),
       params_(params) {
   DCHECK(proxy_service_);
   DCHECK(ssl_config_service_.get());
   CHECK(http_server_properties_);
@@ skipping 149 matching lines @@
     case WEBSOCKET_SOCKET_POOL:
       return websocket_socket_pool_manager_.get();
     default:
       NOTREACHED();
       break;
   }
   return NULL;
 }
 
 }  //  namespace net